Home / 518,091.10-777,136.65-144,114.10

Finding the Fourth Proportional to 518,091.10, 777,136.65 and 144,114.10

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Solution

The fourth proportional to 518,091.10, 777,136.65 and 144,114.10 is: 216,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,091.10 : 777,136.65 = 144,114.10 : x
  2. Step 2: Convert to fraction form
    518,091.10/777,136.65 = 144,114.10/x
  3. Step 3: Cross multiply
    518,091.10x = 777,136.65 × 144,114.10
  4. Step 4: Simplify right side
    518,091.10x = 111,996,348,891.77
  5. Step 5: Solve for x
    x = 111,996,348,891.77/518,091.10
  6. Step 6: Final answer
    x = 216,171.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.